Ensures that domains assigned to non-published nodes are filtered when routing, ensures caches are cleared when content is deleted or langauges are changed, updates logic for dealing with null invariant content names, adds more validation for saving cultre variants.

src/Umbraco.Web/PublishedCache/NuCache/PublishedSnapshotService.cs

@@ -815,6 +815,7 @@ namespace Umbraco.Web.PublishedCache.NuCache
                     switch (payload.ChangeType)
                     {
                         case DomainChangeTypes.RefreshAll:
+                            //fixme why this check?
                             if (!(_serviceContext.DomainService is DomainService))
                                 throw new Exception("oops");